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[13/13] ALSA: hda: Let LED cdev handling suspend/resume

Message ID 20200618110842.27238-14-tiwai@suse.de (mailing list archive)
State New, archived
Headers show
Series ALSA: hda: Use LED classdev for mute controls consistently | expand

Commit Message

Takashi Iwai June 18, 2020, 11:08 a.m. UTC 
Set LED_CORE_SUSPENDRESUME to LED cdev flags, so that the LED core
would store and restore the LED status at suspend/resume.

In theory, the codec driver should be responsible for all LED bits,
but this might be safer and cover the overlooked cases.

Tested-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/hda_generic.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c
index c74519d7096b..9074265d934a 100644
--- a/sound/pci/hda/hda_generic.c
+++ b/sound/pci/hda/hda_generic.c
@@ -3908,6 +3908,7 @@  static int create_mute_led_cdev(struct hda_codec *codec,
 	cdev->default_trigger = micmute ? "audio-micmute" : "audio-mute";
 	cdev->brightness_set_blocking = callback;
 	cdev->brightness = ledtrig_audio_get(micmute ? LED_AUDIO_MICMUTE : LED_AUDIO_MUTE);
+	cdev->flags = LED_CORE_SUSPENDRESUME;
 
 	return devm_led_classdev_register(&codec->core.dev, cdev);
 }